diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders')
3 files changed, 202 insertions, 36 deletions
diff --git a/servers/rendering/renderer_rd/shaders/effects/copy_to_fb.glsl b/servers/rendering/renderer_rd/shaders/effects/copy_to_fb.glsl index 9787c9879d..1c17eabb56 100644 --- a/servers/rendering/renderer_rd/shaders/effects/copy_to_fb.glsl +++ b/servers/rendering/renderer_rd/shaders/effects/copy_to_fb.glsl @@ -88,7 +88,7 @@ layout(set = 0, binding = 0) uniform sampler2DArray source_color; layout(set = 1, binding = 0) uniform sampler2DArray source_depth; layout(location = 1) out float depth; #endif /* MODE_TWO_SOURCES */ -#else +#else /* MULTIVIEW */ layout(set = 0, binding = 0) uniform sampler2D source_color; #ifdef MODE_TWO_SOURCES layout(set = 1, binding = 0) uniform sampler2D source_color2; @@ -139,7 +139,7 @@ void main() { //uv.y = 1.0 - uv.y; uv = 1.0 - uv; } -#endif +#endif /* MODE_PANORAMA_TO_DP */ #ifdef MULTIVIEW vec4 color = textureLod(source_color, uv, 0.0); @@ -148,12 +148,13 @@ void main() { depth = textureLod(source_depth, uv, 0.0).r; #endif /* MODE_TWO_SOURCES */ -#else +#else /* MULTIVIEW */ vec4 color = textureLod(source_color, uv, 0.0); #ifdef MODE_TWO_SOURCES color += textureLod(source_color2, uv, 0.0); #endif /* MODE_TWO_SOURCES */ #endif /* MULTIVIEW */ + if (params.force_luminance) { color.rgb = vec3(max(max(color.r, color.g), color.b)); } @@ -163,5 +164,6 @@ void main() { if (params.srgb) { color.rgb = linear_to_srgb(color.rgb); } + frag_color = color; } diff --git a/servers/rendering/renderer_rd/shaders/effects/vrs.glsl b/servers/rendering/renderer_rd/shaders/effects/vrs.glsl new file mode 100644 index 0000000000..5ef83c0b44 --- /dev/null +++ b/servers/rendering/renderer_rd/shaders/effects/vrs.glsl @@ -0,0 +1,72 @@ +#[vertex] + +#version 450 + +#VERSION_DEFINES + +#ifdef MULTIVIEW +#ifdef has_VK_KHR_multiview +#extension GL_EXT_multiview : enable +#define ViewIndex gl_ViewIndex +#else // has_VK_KHR_multiview +#define ViewIndex 0 +#endif // has_VK_KHR_multiview +#endif //MULTIVIEW + +#ifdef MULTIVIEW +layout(location = 0) out vec3 uv_interp; +#else +layout(location = 0) out vec2 uv_interp; +#endif + +void main() { + vec2 base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0)); + uv_interp.xy = base_arr[gl_VertexIndex]; +#ifdef MULTIVIEW + uv_interp.z = ViewIndex; +#endif + + gl_Position = vec4(uv_interp.xy * 2.0 - 1.0, 0.0, 1.0); +} + +#[fragment] + +#version 450 + +#VERSION_DEFINES + +#ifdef MULTIVIEW +#ifdef has_VK_KHR_multiview +#extension GL_EXT_multiview : enable +#define ViewIndex gl_ViewIndex +#else // has_VK_KHR_multiview +#define ViewIndex 0 +#endif // has_VK_KHR_multiview +#endif //MULTIVIEW + +#ifdef MULTIVIEW +layout(location = 0) in vec3 uv_interp; +layout(set = 0, binding = 0) uniform sampler2DArray source_color; +#else /* MULTIVIEW */ +layout(location = 0) in vec2 uv_interp; +layout(set = 0, binding = 0) uniform sampler2D source_color; +#endif /* MULTIVIEW */ + +layout(location = 0) out uint frag_color; + +void main() { +#ifdef MULTIVIEW + vec3 uv = uv_interp; +#else + vec2 uv = uv_interp; +#endif + +#ifdef MULTIVIEW + vec4 color = textureLod(source_color, uv, 0.0); +#else /* MULTIVIEW */ + vec4 color = textureLod(source_color, uv, 0.0); +#endif /* MULTIVIEW */ + + // See if we can change the sampler to one that returns int... + frag_color = uint(color.r * 256.0); +} diff --git a/servers/rendering/renderer_rd/shaders/environment/gi.glsl b/servers/rendering/renderer_rd/shaders/environment/gi.glsl index f687d50a2d..5f34e7112d 100644 --- a/servers/rendering/renderer_rd/shaders/environment/gi.glsl +++ b/servers/rendering/renderer_rd/shaders/environment/gi.glsl @@ -8,6 +8,12 @@ layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; #define M_PI 3.141592 +/* Specialization Constants (Toggles) */ + +layout(constant_id = 0) const bool sc_half_res = false; +layout(constant_id = 1) const bool sc_use_full_projection_matrix = false; +layout(constant_id = 2) const bool sc_use_vrs = false; + #define SDFGI_MAX_CASCADES 8 //set 0 for SDFGI and render buffers @@ -97,18 +103,20 @@ layout(set = 0, binding = 18, std140) uniform SceneData { } scene_data; +layout(r8ui, set = 0, binding = 19) uniform restrict readonly uimage2D vrs_buffer; + layout(push_constant, std430) uniform Params { - uint view_index; uint max_voxel_gi_instances; bool high_quality_vct; bool orthogonal; + uint view_index; vec4 proj_info; float z_near; float z_far; - float pad1; float pad2; + float pad3; } params; @@ -140,34 +148,34 @@ vec4 blend_color(vec4 src, vec4 dst) { } vec3 reconstruct_position(ivec2 screen_pos) { -#ifdef USE_MULTIVIEW - vec4 pos; - pos.xy = (2.0 * vec2(screen_pos) / vec2(scene_data.screen_size)) - 1.0; - pos.z = texelFetch(sampler2D(depth_buffer, linear_sampler), screen_pos, 0).r * 2.0 - 1.0; - pos.w = 1.0; + if (sc_use_full_projection_matrix) { + vec4 pos; + pos.xy = (2.0 * vec2(screen_pos) / vec2(scene_data.screen_size)) - 1.0; + pos.z = texelFetch(sampler2D(depth_buffer, linear_sampler), screen_pos, 0).r * 2.0 - 1.0; + pos.w = 1.0; - pos = scene_data.inv_projection[params.view_index] * pos; + pos = scene_data.inv_projection[params.view_index] * pos; - return pos.xyz / pos.w; -#else - vec3 pos; - pos.z = texelFetch(sampler2D(depth_buffer, linear_sampler), screen_pos, 0).r; - - pos.z = pos.z * 2.0 - 1.0; - if (params.orthogonal) { - pos.z = ((pos.z + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; + return pos.xyz / pos.w; } else { - pos.z = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - pos.z * (params.z_far - params.z_near)); - } - pos.z = -pos.z; + vec3 pos; + pos.z = texelFetch(sampler2D(depth_buffer, linear_sampler), screen_pos, 0).r; + + pos.z = pos.z * 2.0 - 1.0; + if (params.orthogonal) { + pos.z = ((pos.z + (params.z_far + params.z_near) / (params.z_far - params.z_near)) * (params.z_far - params.z_near)) / 2.0; + } else { + pos.z = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - pos.z * (params.z_far - params.z_near)); + } + pos.z = -pos.z; - pos.xy = vec2(screen_pos) * params.proj_info.xy + params.proj_info.zw; - if (!params.orthogonal) { - pos.xy *= pos.z; - } + pos.xy = vec2(screen_pos) * params.proj_info.xy + params.proj_info.zw; + if (!params.orthogonal) { + pos.xy *= pos.z; + } - return pos; -#endif + return pos; + } } void sdfvoxel_gi_process(uint cascade, vec3 cascade_pos, vec3 cam_pos, vec3 cam_normal, vec3 cam_specular_normal, float roughness, out vec3 diffuse_light, out vec3 specular_light) { @@ -587,7 +595,6 @@ void voxel_gi_compute(uint index, vec3 position, vec3 normal, vec3 ref_vec, mat3 vec4 fetch_normal_and_roughness(ivec2 pos) { vec4 normal_roughness = texelFetch(sampler2D(normal_roughness_buffer, linear_sampler), pos, 0); - normal_roughness.xyz = normalize(normal_roughness.xyz * 2.0 - 1.0); return normal_roughness; } @@ -600,7 +607,7 @@ void process_gi(ivec2 pos, vec3 vertex, inout vec4 ambient_light, inout vec4 ref if (normal.length() > 0.5) { //valid normal, can do GI float roughness = normal_roughness.w; - vec3 view = -normalize(mat3(scene_data.cam_transform) * (vertex - scene_data.eye_offset[params.view_index].xyz)); + vec3 view = -normalize(mat3(scene_data.cam_transform) * (vertex - scene_data.eye_offset[gl_GlobalInvocationID.z].xyz)); vertex = mat3(scene_data.cam_transform) * vertex; normal = normalize(mat3(scene_data.cam_transform) * normal); vec3 reflection = normalize(reflect(-view, normal)); @@ -648,9 +655,35 @@ void process_gi(ivec2 pos, vec3 vertex, inout vec4 ambient_light, inout vec4 ref void main() { ivec2 pos = ivec2(gl_GlobalInvocationID.xy); -#ifdef MODE_HALF_RES - pos <<= 1; -#endif + uint vrs_x, vrs_y; + if (sc_use_vrs) { + ivec2 vrs_pos; + + // Currenty we use a 16x16 texel, possibly some day make this configurable. + if (sc_half_res) { + vrs_pos = pos >> 3; + } else { + vrs_pos = pos >> 4; + } + + uint vrs_texel = imageLoad(vrs_buffer, vrs_pos).r; + // note, valid values for vrs_x and vrs_y are 1, 2 and 4. + vrs_x = 1 << ((vrs_texel >> 2) & 3); + vrs_y = 1 << (vrs_texel & 3); + + if (mod(pos.x, vrs_x) != 0) { + return; + } + + if (mod(pos.y, vrs_y) != 0) { + return; + } + } + + if (sc_half_res) { + pos <<= 1; + } + if (any(greaterThanEqual(pos, scene_data.screen_size))) { //too large, do nothing return; } @@ -663,10 +696,69 @@ void main() { process_gi(pos, vertex, ambient_light, reflection_light); -#ifdef MODE_HALF_RES - pos >>= 1; -#endif + if (sc_half_res) { + pos >>= 1; + } imageStore(ambient_buffer, pos, ambient_light); imageStore(reflection_buffer, pos, reflection_light); + + if (sc_use_vrs) { + if (vrs_x > 1) { + imageStore(ambient_buffer, pos + ivec2(1, 0), ambient_light); + imageStore(reflection_buffer, pos + ivec2(1, 0), reflection_light); + } + + if (vrs_x > 2) { + imageStore(ambient_buffer, pos + ivec2(2, 0), ambient_light); + imageStore(reflection_buffer, pos + ivec2(2, 0), reflection_light); + + imageStore(ambient_buffer, pos + ivec2(3, 0), ambient_light); + imageStore(reflection_buffer, pos + ivec2(3, 0), reflection_light); + } + + if (vrs_y > 1) { + imageStore(ambient_buffer, pos + ivec2(0, 1), ambient_light); + imageStore(reflection_buffer, pos + ivec2(0, 1), reflection_light); + } + + if (vrs_y > 1 && vrs_x > 1) { + imageStore(ambient_buffer, pos + ivec2(1, 1), ambient_light); + imageStore(reflection_buffer, pos + ivec2(1, 1), reflection_light); + } + + if (vrs_y > 1 && vrs_x > 2) { + imageStore(ambient_buffer, pos + ivec2(2, 1), ambient_light); + imageStore(reflection_buffer, pos + ivec2(2, 1), reflection_light); + + imageStore(ambient_buffer, pos + ivec2(3, 1), ambient_light); + imageStore(reflection_buffer, pos + ivec2(3, 1), reflection_light); + } + + if (vrs_y > 2) { + imageStore(ambient_buffer, pos + ivec2(0, 2), ambient_light); + imageStore(reflection_buffer, pos + ivec2(0, 2), reflection_light); + imageStore(ambient_buffer, pos + ivec2(0, 3), ambient_light); + imageStore(reflection_buffer, pos + ivec2(0, 3), reflection_light); + } + + if (vrs_y > 2 && vrs_x > 1) { + imageStore(ambient_buffer, pos + ivec2(1, 2), ambient_light); + imageStore(reflection_buffer, pos + ivec2(1, 2), reflection_light); + imageStore(ambient_buffer, pos + ivec2(1, 3), ambient_light); + imageStore(reflection_buffer, pos + ivec2(1, 3), reflection_light); + } + + if (vrs_y > 2 && vrs_x > 2) { + imageStore(ambient_buffer, pos + ivec2(2, 2), ambient_light); + imageStore(reflection_buffer, pos + ivec2(2, 2), reflection_light); + imageStore(ambient_buffer, pos + ivec2(2, 3), ambient_light); + imageStore(reflection_buffer, pos + ivec2(2, 3), reflection_light); + + imageStore(ambient_buffer, pos + ivec2(3, 2), ambient_light); + imageStore(reflection_buffer, pos + ivec2(3, 2), reflection_light); + imageStore(ambient_buffer, pos + ivec2(3, 3), ambient_light); + imageStore(reflection_buffer, pos + ivec2(3, 3), reflection_light); + } + } } |